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distributor: fix check of workers number

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No of workers should never exceed RTE_MAX_LCORE.
RTE_DIST_ALG_SINGLE also require no of workers check.

Fixes: 775003ad2f ("distributor: add new burst-capable library")
Cc: stable@dpdk.org

Signed-off-by: Harman Kalra <hkalra@marvell.com>
Acked-by: David Hunt <david.hunt@intel.com>
This commit is contained in:
Harman Kalra 2019-07-05 10:05:12 +00:00 committed by Thomas Monjalon
parent c275ded129
commit acc6e5503e
1 changed files with 6 additions and 5 deletions
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11
lib/librte_distributor/rte_distributor.c
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@ -596,6 +596,12 @@ rte_distributor_create_v1705(const char *name,
RTE_BUILD_BUG_ON((sizeof(*d) & RTE_CACHE_LINE_MASK) != 0);
RTE_BUILD_BUG_ON((RTE_DISTRIB_MAX_WORKERS & 7) != 0);
if (name == NULL || num_workers >=
(unsigned int)RTE_MIN(RTE_DISTRIB_MAX_WORKERS, RTE_MAX_LCORE)) {
rte_errno = EINVAL;
return NULL;
}
if (alg_type == RTE_DIST_ALG_SINGLE) {
d = malloc(sizeof(struct rte_distributor));
if (d == NULL) {
@ -613,11 +619,6 @@ rte_distributor_create_v1705(const char *name,
return d;
}
if (name == NULL || num_workers >= RTE_DISTRIB_MAX_WORKERS) {
rte_errno = EINVAL;
return NULL;
}
snprintf(mz_name, sizeof(mz_name), RTE_DISTRIB_PREFIX"%s", name);
mz = rte_memzone_reserve(mz_name, sizeof(*d), socket_id, NO_FLAGS);
if (mz == NULL) {